Display module and display device

A display module and a display device are provided. The display module includes a main display area, an auxiliary display area, and a non-display area; a light-emitting surface; a display panel, an adapter component, and a flexible circuit board. The adapter component is disposed on a side of the substrate of the display module adjacent to the light-emitting surface and in a first non-display area. The adapter component includes a flexible substrate, a plurality of mutually insulated second pads and a plurality of mutually insulated third pads. The plurality of mutually insulated second pads and the plurality of mutually insulated third pads are all disposed on a side of the flexible substrate adjacent to the substrate; and the plurality of mutually insulated second pads are disposed on a side of the plurality of mutually insulated third pads adjacent to the main display area.